The idea is that Mypy runs before you put your code into production, identifying where the data doesn't match the annotations you've made to your variables and function parameters ... including inner ...

One performance-enhancement technique common to many languages, and one Python can use too, is memoization—caching the results of a function call so that future calls with the same inputs don ...

Python’s typing module, used to annotate code with type information, lets you describe the types of a callable (e.g., a function ... Awaitable[R]]: async def inner(*args: object, **kwargs ...